Question

if 70% of students in a school are boys and the number of girls is 504 the number of boys is

Answer 1

Total students=x
Girls=504
Percentage of girls=30x/100
Equation
3x/10=504
x=504×10/3
x=1680
Total students are 1680.
Therefore number of boys are 1176.

Answer 2

70%=boys

30%=girls

therefore the statement found is if 30% is = to 504 then find 70%'s value

1%value= 504/30=16.8

Therefore the no.of boys = 70% = 16.8×70= 1176

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